Hrs: 3

Transponder antenna doubler mounting

Mounting the transponder antenna doubler to the top and bottom floor skins.

The bracket was aligned with the existing holes in the top skin and the holes match drilled:

Mounted with cleco’s:

Top view:

Inside view:

Next was aligning the holes to the bottom skin, for that I made a simple jig with the desktop CNC:

Holes in place:

And the holes enlarged according the antenna dimensions: